Flooding

floods Thousands of years ago before people build towns and place crops, rivers cut deep muckleyons and molded the continents. Often these rivers overflowed their banks and flooded the ring aras, depositing mineral rich silt and soil in the touch plains and valleys. Because of the way floods enrich soil some of the first cities were built along rivers. The most important ones grew along the Indus River in Pakistan; the Nile in Egypt; the Yellow River in China; and the Tigris and Euphrates in the Middle East. These rivers floodplains atomic number 18 called the cradles of civilization. (Michael Burgan &Robin Doak) Even though floods see e very(prenominal)where, there are only four types of floods. River floods occur along rivers and ordinarily happen because of heavy rain over a orotund area. This can also be caused by melting blow and ice jams and can last for weeks. In most separate of the world butchs and levees help keep rivers from flooding by pulley block off water and storing it in lakes and reservoirs. Sometimes a dam will break causing another kind of flood. obturate failure floods happen when dams or other manmade structures are neglected, ill designed, or damaged. These floods are very dangerous because a enormous amount of water is released suddenly and with no warning.

Flash floods happen when a large amount of rain falls very quickly. Flash floods generally occur in mountainous areas and are so deadly because they happen with little or no warning. Coastal floods occur along the shores of oceans and seas and are often caused by hurricanes and strong storms. Earthquakes that happen under the ocean or on a coast also cause them the winds produced by these winds beat up up bulky ocean waves that are together cognize as a storm surge. These earthquakes cause tsunamis, which are huge waves. Tsunamis travel long distances across the ocean before ambit land where they flood the coasts, drown people, and smash buildings. (Dennis Fradin) Volcano eruptions can also cause tsunamis like... If you want to get a abounding essay, order it on our website: Orderessay

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